Ford F-150 (2009-2014) :: 2011 - Heater Blows Cold Air / Not Even Coming Close To Warm
Dec 17, 2013
So the other morning I drive the 140 miles out of town to work for the week. when I pull up to the job site the cooling fans were revving really really high! never heard this before. then it went back to normal after I opened the gate and parked my truck and shut it off. I'm driving maybe 5 miles tops to the job and back to the motel every day. however that is far enough that my heater should be warming up and it's not even coming close to warm. it blows cold air. and to compound that I'm not sure the cooling fans are even working. they don't appear to be. Is there a connection here?
2011 xlt 4x4 super crew.....
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I read that there is a relay fuse in the 5th Generation Camry, which sounds like my problem, however, I am not able to locate such a fuse in the 6th Gen Camry.
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Ford crown vic, 1999, 125k miles, no engine work has been done, did flush cooling system in spring of 2013 and put in a 50/50 mix of coolant and distilled water (from a jug). No problems for the summer of 2013, have been using heater with no problems until around Tuesday of this week.
Car runs fine, no leaks, coolant checks out good. BUT now.. My temperature gauge hardly moves (up) and the heater blows warm air only. If I am driving the gauge will not move, if the car sits running for awhile it will move up some and the heat will get warmer inside of the car. My guess maybe a stuck thermostat?
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A friend has a 2003 F150 that after starting up will run hot but blow cold air when the heater is on. The truck will run hot for ~ 5seconds then all of a sudden the temp drops to normal range and the heater begins to blow hot. Simultaneously, the oil pressure light comes on when the truck runs hot, then falls to the normal range when the temp drops. I thought perhaps the thermostat is in backward.
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My 95 explorer heater only blows out cold air. I have topped off the antifreeze and just replaced the thermostat. The engine operating temperature is very cold, it won't even come up to the first mark. It is very cold here in Utah but I still can't imagine why the engine won't heat up.
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The heat up front blows nice and hot but no matter how I adjust the rear ceiling mounted controls it blows cold in the back. Is this a blend door issue or something with the rear controls? Also, on a side note, one of my rear power vent windows just stopped working too. I guess it's either the overhead switch or the motor back there.
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1998 F150 step side, 4.6 V-8 automatic, 176,000 miles -
Heater begins to blow heat as the engine warms up - heat gauge moves up to normal level - running at speed, suddenly the heater blows all cold, the heat gauge pegs to total hot - the oil light comes on, the engine begins to miss - stop the truck, shut off the motor, wait 10 seconds, start back up and all is normal and away I go. Heater working just fine. Gauges are just fine. Have checked the hoses when it pegged to hot, and they are just warm just as if everything is normal.
Problem is intermittent.
Have changed radiator reservoir cap, thermostat, made sure fluid level and mixture is correct - what else to check? Computer issue?
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